Add the ability to set up a custom Xdebug host IP

* Add the ability to set up a custom Xdebug host IP for the case when
Docker is deployed inside a virtual machine (e.g. Vagrant + VirtualBox)
for local development.

generator/src/templates/deploy.bash.twig

@@ -122,6 +122,7 @@ readonly SPRYKER_STORES=({{ regions | map((regionData, region) => "'local REGION
 readonly SPRYKER_DEFAULT_STORE="{{ (regions | first)['stores'] | keys | first }}"
 readonly SPRYKER_FILE_MODE="{{ _fileMode }}"
 readonly SPRYKER_XDEBUG_MODE_ENABLE="{{ docker['debug']['xdebug']['enabled'] is not defined or docker['debug']['xdebug']['enabled'] == true ? '1' : '' }}"
+readonly SPRYKER_CUSTOM_XDEBUG_HOST_IP="{{ docker['debug']['xdebug']['custom_host_ip'] | default('') }}"
 readonly SPRYKER_SYNC_SESSION_NAME="{{ _syncSessionName }}"
 readonly SPRYKER_SYNC_VOLUME="${SPRYKER_DOCKER_PREFIX}_${SPRYKER_DOCKER_TAG}_data_sync"
 readonly DOCKER_COMPOSE_FILES_EXTRA="{{ docker['compose']['yamls'] | default([]) | join(' ') }}"
@@ -153,7 +154,7 @@ readonly SSH_AUTH_SOCK_IN_CLI="$([ -n "${SSH_AUTH_SOCK}" ] && [ -z "${COMPOSER_A
 
 # Global variables
 readonly USER_FULL_ID=$(Environment::getFullUserId)
-readonly SPRYKER_XDEBUG_HOST_IP=$(Environment::getHostIp)
+readonly SPRYKER_XDEBUG_HOST_IP=${SPRYKER_CUSTOM_XDEBUG_HOST_IP:-$(Environment::getHostIp)}
 readonly SECRETS_ENVIRONMENT=("COMPOSER_AUTH='${COMPOSER_AUTH}'")
 
 command=${1}